AR

Alexandra Vasil'evna Rogacheva

EL Expro North Sea Limited: 8 patents #3 of 67Top 5%
EM Expro Meters: 1 patents #14 of 29Top 50%
Overall (All Time): #534,731 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12270295 Controller for use with a remote downhole tool David Pollock 2025-04-08
11352875 Combined power source for long term operation of downhole gauges Samuel K. Taylor 2022-06-07
11162354 Communication systems and methods Brian P. Champion 2021-11-02
10704378 Well monitoring Robert Charles Bromwich, Bridget Mary Weston, Steven Martin Hudson 2020-07-07
10683748 Communication systems and methods Brian P. Champion 2020-06-16
10619476 Downhole communication Steven Martin Hudson 2020-04-14
9546539 Downhole power generation Steven Martin Hudson 2017-01-17
9371727 Well monitoring Steven Martin Hudson, Robert Charles Bromwich, Bridget Mary Weston 2016-06-21
9022102 Control of sub surface safety valves Steven Martin Hudson, Bridget Mary Weston, Robert Charles Bromwich 2015-05-05